这样倒??public class Demo{
public void foo(int number){
StringBuilder s = new StringBuilder(String.valueOf(number));
System.out.println(s.reverse());
}
public static void main(String[] args){
Demo demo = new Demo();
demo.foo(123456);
}
}
public void foo(int number){
StringBuilder s = new StringBuilder(String.valueOf(number));
System.out.println(s.reverse());
}
public static void main(String[] args){
Demo demo = new Demo();
demo.foo(123456);
}
}
#include <iostream.h>
//逆序输出正整数序列void PrintDigit(int n){
cout<< n%10;
if(n>=10){
PrintDigit(n/10);
}
}int main(){
int n;
cin>>n;
PrintDigit(n);
}
do {
System.out.print(n % 10);
n /= 10;
} while (n != 0);
public class Demo{
public StringBuilder foo(int number){
StringBuilder s = new StringBuilder(String.valueOf(number));
return s.reverse();
}
public static void main(String[] args){
Demo demo = new Demo();
StringBuilder s = demo.foo(123456);
char[] chars = s.toString().toCharArray();
for (char c : chars) {
System.out.println(c);
}
}
}
public class Demo{
public StringBuilder foo(int number){
StringBuilder s = new StringBuilder(String.valueOf(number));
return s.reverse();
}
public static void main(String[] args){
Demo demo = new Demo();
StringBuilder s = demo.foo(123456);
char[] chars = s.toString().toCharArray();
for (char c : chars) {
System.out.println(c);
}
}
}
那个api看起来好乱,我都看不懂,可能是不会的太多了吧。已经做出来了,谢谢你们。
有时间我会多看API的
今天有个大神贴了个不错的学习网站 这里
今天有个大神贴了个不错的学习网站 这里
看了一下,觉得很不错呢,感谢分享~